[化] 标准温压; 标准温度压力; 标准状态

WORDS AND THEIR STORIES - Expressions About Health By Jill Moss Broadcast: Sunday, September 05, 2004 Acknowledgement: mming jmma@mail.cmu.edu.cn >, Li Wei liw@cnooc.com.cn >, niutao nnttao@yahoo.com.

发表于:2018-12-01 / 阅读(325) / 评论(0) 分类 WORDS AND THEIR STORIES

PartI Getting ready A: 1.Freezing point 2.Relative humidity 3.Calm 4.Barometric pressure 5.Wildly scattered 6.Shower 7.lows 8.Variable 9.Thunderstorm 10.Gales B. 1.the freezing point of water is 0 or

发表于:2018-12-03 / 阅读(123) / 评论(0) 分类 Listen this way听力教程

[00:05.56]Weather experts say this spring was the warmest in the United States in the past century. [00:13.66]They say the average temperature across the United States between March and May was about thirteen degrees Celsius. [00:23.07]That reportedl

发表于:2018-12-26 / 阅读(99) / 评论(0) 分类 美国英语听力80篇

Cooking Under Pressure When you boil potatoes on the stove top, it can take half an hour to cook them til tender. But, when you boil them in a pressure cooker, instead presto, theyre ready in about five minutes. Whats the difference? What makes press

发表于:2018-12-31 / 阅读(124) / 评论(0) 分类 英语听力文摘 English Digest

The Rolling Boil That Cools Your Food When you think of something boiling, you probably picture a pot on the stove, but theres another kitchen appliance that brings liquid to a boil, not to heat food, but cool it. It sounds crazy, but household refri

发表于:2018-12-31 / 阅读(128) / 评论(0) 分类 英语听力文摘 English Digest

With swine flu the big infectious disease story, you dont hear much about bird flu these days. And you may not have to look past your own nose for the reason. Because a new study finds that bird flu viruses may have trouble getting a good foothold i

发表于:2019-01-02 / 阅读(144) / 评论(0) 分类 60秒科学

生病受伤时请医生看病 Do you need a doctor?用叫医生吗? Please call an ambulance.请叫救护车。 I'd like to see a doctor.我要看病。 I'm not feeling well.我觉得身体不舒服。 would you send me a doctor?你能帮我请位医

发表于:2019-01-06 / 阅读(151) / 评论(0) 分类 英语会话词典

By Carol Pearson Washington 22 August 2007 High blood pressure, or hypertension, is a disease usually associated with adults, but children can get it too and can have serious health problems because of it. A new study is now calling for pediatricians

发表于:2019-01-13 / 阅读(175) / 评论(0) 分类 2007年VOA标准英语(八月)

Midlife Blood Pressure Spike Ups Heart Attack Risk A new study indicates people who develop high blood pressure during middle age have a higher risk of heart attack, stroke, or related medical problems later in life. It's pretty well established that

发表于:2019-01-13 / 阅读(119) / 评论(0) 分类 VOA标准英语2011年(十二月)

A: Hello, could you tell me my test results? B: Your results are posted on the website. Just put in your password and you can see the exact numbers. A: Are you saying that all my results were normal? B: We always contact you by phone to come in if th

发表于:2019-01-15 / 阅读(168) / 评论(0) 分类 英语情景对话-健康

this is Scientific American's 60 seconds' Science, i am Karan Hawking. This will just take a minute. Secret feeling chilly? Well, they may be a solution. Because researcher has generated genetic engineering mice: the kent field the cord. They worked

发表于:2019-01-20 / 阅读(111) / 评论(0) 分类 Scientific American(三)月

SCIENCE IN THE NEWS - Pressure Rises on Scientific Publishers to Offer 'Open Access' / 2,400-Year-Old Gold Mask Found in Bulg... By Broadcast: Tuesday, August 31, 2004 (MUSIC) VOICE ONE: This is SCIEN

发表于:2019-01-30 / 阅读(169) / 评论(0) 分类 科技之光

Want to step outside to take in the scenery or pick up some rocks? As familiar as it might look beyond the port hole, Mars is dangerously alien. The upside is the low gravity will give you super jumping abilities, the down, the almost complete lack o

发表于:2019-02-03 / 阅读(98) / 评论(0) 分类 自然百科2012年

Are you a normal person? 你是正常人吗? During a visit to the mental asylum, a visitor asked the director ..., What is the criterion that defines a patient to be institutionalized? Well... said the director, we fill up a bathtub, and we offe

发表于:2019-02-06 / 阅读(141) / 评论(0) 分类 趣味英语

Are you a normal person? 你是正常人吗? During a visit to the mental asylum, a visitor asked the director ..., What is the criterion that defines a patient to be institutionalized? Well... said the director, we fill up a bathtub, and we offe

发表于:2019-02-15 / 阅读(109) / 评论(0) 分类 英语笑话(MP3+文本)

【英文原文】 If I were to stop drinking water right now, how long could I live? There are several different factors involved here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person c

发表于:2019-02-16 / 阅读(100) / 评论(0) 分类 英语听力广播—Listening

Dehydration 脱水 If I were to stop drinking water right now, how long could I live? There are different factors involve d here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person could di

发表于:2019-02-24 / 阅读(128) / 评论(0) 分类 英语听力文摘 English Digest

Probably all, or nearly all, who have experienced a cold winter, are familiar with the cheery cry of the snow as it is pressed against a hard surface by the steel tire of a wagon, for instance, or even onto a pavement by the heels of ones boots. Thos

发表于:2019-03-06 / 阅读(162) / 评论(0) 分类 英语时差8,16

Snowflakes are small ice crystals. Snowflakes near the ir melting temperature can, through hand pressure, be made to fuse into a snowball by a process of melting and re-freezing. The snow yields to pressure gently and progressively and doesnt make so

发表于:2019-03-06 / 阅读(161) / 评论(0) 分类 英语时差8,16

Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧,气压变化有可能是

发表于:2019-03-06 / 阅读(227) / 评论(0) 分类 英语听力广播—Listening
学英语单词
accident and health insurance
antiblack
axopodium
back-to-nature
be of no use
blood grouping
Bou Kellal
bureacratic
callosal convolution
calltriche japonica engelm.
coagulant sedimentation
conditional process
constitution made by the sovereign and people
cost approach to fair market value
cross immunity
diazotizing colours
discrete word intelligibility
diving boring machine
dropped seat
eagerer
echellite (natrolite)
elastic hydrodynamic lubrication
elite groups
endometriomyoma
epicatechin
era
every inch of the way
fenestrated placenta
gate-houses
goodness knows
gross ablation
gyrowheel
h-e
heated-tool welding
heavy pillar
histoimmunological
hydrocyanic ester
hyperabrupt junction
if statement
Indigofera anil
indirect address
irishry
Jack Sprat
kishkes
knife-edge cam follower
last miles
lemurians
lotter
mentations
mesaticephalous
methyl hexenone
minimarathons
missile monitor
Mohaniā
negative phase-sequence
new fashion
on my honor
overfunded
Parrhasius
pituitary fossa (or hypophyseal fossa)
planar square complex
polar screen
postlarval fish
potamo-plankton
price quotations
proulers
PTPN
rhomboidal prism
right coronary vein
ring dove
saccobolus glaber
security restriction
selective-length field
self cover
sett frame
Silene batangensis
silicon-oxygen tetrahedron
sleepas
slot fed dipole
small focal spot
smart label
snow-in-June
solventless varnish
st. basils
sumus
suspended stiffening truss
system linking
tar baby
tarhana
tilting chair
to-heap
tow-trucks
track stresses
transfemininity
trupanea ambigua
two-way radio communication
uniform-flow
upward weld
ureterorrhaphy
valve ovicell
variable information file
velvetgrass